Comparative, Superlative and Equative and Infinitive of purpose

MEXICO IS (a)   (BIG)THAN GUATEMALA

MY COUSIN PERLA IS (a)   (YOUNG)THAN ME

The heart is (a)   (small) than the brain.

MR GARCIA'S CLASS IS (a)   (DIFFICULT) THAN MR RIVERA´S CLASS.

TODAY THE WIND FEELS (a)   (COLD) THAN YESTERDAY

WHO IS THE OLDER/OLDEST PERSON IN YOUR FAMILY?

• OLDER

• OLDEST

CARLOS´S SISTER ARE YOUNGER / YOUNGEST THAN HIM

• YOUNGER

• YOUNGEST

WHO IS OLDER / OLDEST, YOUR GRANDMOTHER OR YOUR GRANDFATHER?

• OLDER

• OLDEST

MARTA IS FRIENDLIEST / THE FRIENDLIEST PERSON I KNOW.

• FRIENDLIEST

• THE FRIENDLIEST

DAVID IS THE SMARTER / SMARTEST PERSON IN HIS FAMILY

• SMARTER

• THE SMARTEST